Patents by Inventor Yukiyasu Ohta

Yukiyasu Ohta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tertiary amine and method for producing the same
    Publication number: 20040260124
    Abstract: The present invention relates to a method for easily producing a tertiary amine with high yield. A tertiary amine represented by general formula (1) is produced by adding a metal-containing reagent represented by general formula (6) into a reaction system consisting of thioamide represented by general formula (4), a methylating agent represented by general formula (5) and a solvent, and then adding thereto a Grignard reagent represented by general formula (7).
    Type: Application
    Filed: January 20, 2004
    Publication date: December 23, 2004
    Inventors: Toshiaki Murai, Masahiro Murakami, Yuichiro Mutoh, Yukiyasu Ohta